⚪ Newton's Cradle — 2D Pendulum Chain and Collision Energy

2D companion of the Newton's cradle: a side view with real pendulum dynamics (RK4), sequential equal-mass collisions with adjustable restitution, live angle, energy and momentum graphs and an exact elliptic-period check.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install